A hydrated salt is a solid that contains water molecules within its crystal structure. During an experiment, a student heats a 9.10 gram sample of a hydrated salt to remove its water. The final mass of the salt is 5.41 grams. What is the percent by mass of water in this crystal?

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.